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Finding the Fourth Proportional to 133,545.96, 200,180.50 and 83,511.22

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Solution

The fourth proportional to 133,545.96, 200,180.50 and 83,511.22 is: 125,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,545.96 : 200,180.50 = 83,511.22 : x
  2. Step 2: Convert to fraction form
    133,545.96/200,180.50 = 83,511.22/x
  3. Step 3: Cross multiply
    133,545.96x = 200,180.50 × 83,511.22
  4. Step 4: Simplify right side
    133,545.96x = 16,717,317,775.21
  5. Step 5: Solve for x
    x = 16,717,317,775.21/133,545.96
  6. Step 6: Final answer
    x = 125,180.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.